4K Janis: Little Girl Blue (2015) online Year: 2015 Country: USA Director:Amy Berg Stars: Cat Power, Janis Joplin, Peter Albin Stars: Cat Power, Janis Joplin, Peter Albin Genre: Documentary / Musical / New Movie / Biography Musician Cat Power narrates this documentary on Janis Joplin's evolution into a star from letters that Joplin wrote over the years to her friends, family, and collaborators. Watch Janis: Little Girl Blue (2015) online